/**
 * Copyright (C) 2014
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package psn.shan.xml.enhancedvalidator.data;

import java.util.List;
import java.util.Vector;

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NonNull;
import lombok.ToString;
import lombok.experimental.Accessors;

/**
 * Tuple A tuple is a collection of attributes of varying types.
 * 
 * @author Shan
 * 
 */
@Accessors(prefix = "m")
@EqualsAndHashCode(of = "mKey")
@ToString(includeFieldNames = true)
public abstract class Tuple<K> {
	@Getter
	private int mCardinality = 0;

	@Getter
	protected K mKey = null;

	@Getter
	private List<Attribute<?>> mAttributeValues = null;

	public Tuple(int aCardinality) {
		mCardinality = aCardinality;
		mAttributeValues = new Vector<>(mCardinality);
	}

	public void addAttributes(@NonNull Attribute<?>... aAttributes) {
		if (aAttributes.length != mCardinality) {
			throw new CardinalityMismatchException();
		}
		for (Attribute<?> lAttribute : aAttributes) {
			mAttributeValues.add(lAttribute);
		}
	}
}
